CN106185873B - Intelligent carbon nanotube purification system - Google Patents
Intelligent carbon nanotube purification system Download PDFInfo
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- CN106185873B CN106185873B CN201610774649.8A CN201610774649A CN106185873B CN 106185873 B CN106185873 B CN 106185873B CN 201610774649 A CN201610774649 A CN 201610774649A CN 106185873 B CN106185873 B CN 106185873B
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- acid solution
- hydrochloric acid
- carbon nanotube
- solution bucket
- connecting tube
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
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Abstract
The present invention relates to a kind of intelligent Carbon nanotube purification systems,Including hydrochloric acid solution bucket,Feed pipe is equipped with above hydrochloric acid solution bucket,Agitating device is equipped in hydrochloric acid solution bucket,Hydrochloric acid solution bucket lower end is connect by the first connecting tube with filtering kettle,First connecting tube is equipped with tapping valve,It filters kettle outer wall and is equipped with water inlet pipe,Controller,Water inlet pipe is equipped with inlet valve,It filters kettle inner wall and is equipped with chlorine ion concentration sensor,Ultrasonic washer,It filters kettle lower end and connects the second connecting tube,Second connecting tube lower end by three-way connection respectively with drainpipe,Circulation pipe connects,The circulation pipe other end is connect with hydrochloric acid solution bucket,Drainpipe is equipped with drain valve,Circulation pipe is equipped with circulating pump,The chlorine ion concentration sensor,Inlet valve,Drain valve is connect with controller respectively,The agitating device includes motor,Agitating shaft,Stirring blade,Elastic connection assists agitating plate on the stirring blade of bottom row,The present invention improves the purity of carbon nanotube,Intelligence degree is high.
Description
Technical field
The present invention relates to a kind of intelligent Carbon nanotube purification systems, belong to carbon nanotube technology field.
Background technology
Nanotube is also 10,000 times thinner than the hairline of people, and 100 times harder than steel of its hardness.It can be resistant to
6500°F（3593℃）High temperature, and with remarkable heat conductivility.Nanotube both may be used as metallic conductor, than gold
Electric conductivity is much higher, is also used as semiconductor necessary to manufacture computer chip.Nanotube also has at very low temperature
Superconductivity.
The classification of nanotube has：Nano-tube, single-walled carbon nanotube, double-walled carbon nano-tube, multi-walled carbon nanotube, functionalization
Multi-walled carbon nanotube, short MWCNTs, industrial multi-walled carbon nano-tube, graphite multi-walled carbon nano-tube, large diameter thin-walled
Carbon nanotube, nickel-plating carbon nanotube.Aerolite carbonaceous crystalline nanometric pipe.
In the development process that nanotube is applied to computer operation, an important milestone is exactly that nanotube is manufactured into
Switch or transistor used in computer.1998, a research group in the gloomy research center in the affiliated Witter of IBM Corporation was i.e. with this
It is studied for target.Researchers have shown that single nanotube there can be transistor, and improve its crystalline substance
The electric conductivity of body.
However, being also that nanotube demonstrates the one side of its superiority applied to computer operation.People can be these
Miniature tube is bonded together, and fiber or rope is made, and is used as the superpower reinforcing of superconducting cable or plastics and other advanced materials
Agent.If nanotube has extremely strong flexibility, intensity and restoring force, they by can synthesized high-performance sport and aeronautical material.
Due to its powerful tension, they have the curved property without rolling over and can restore original form.
In addition, nanotube applies also for needing most the place of heat conductivility.For example, if motor is done using nanotube
Cooling fin, plastic components therein would not be melted by high temperature.This Minisize materials, which can be also placed in, to be needed to be resistant to extreme high heat
Material among, such as the panel outside aircraft and rocket.American National space flight and Space Agency it is expected nanotube being placed in from anti-
Among thermosphere to the various facilities such as suit.
Energy company also regards to nanotube with special esteem.Nanotube can be used for manufacturing smaller, lighter, the higher fuel of efficiency
Battery, it can also be used to hydrogen of the storage as the energy.Researcher receives on flat sheet glass or other materials numerous
Mitron is lined up, them is allowed to look like the neat wheatland of a piece of harvesting.The NEC of Japan and the Samsung of South Korea prepare will
This display screen that television set is made by " field " that nanotube forms, to replace television set used by old-fashioned cathode-ray
Pipe.
Currently, carbon nanotube preparation process mainly has arc discharge method, radium-shine ablation and chemical vapour deposition technique.Its
In, chemical vapour deposition technique with its simple process, at low cost, nanotube is controllable, length is big, collection rate is high the features such as obtain extensively
Research and application.Chemical vapour deposition technique is mainly transition metal or its oxide with nanoscale as catalyst,
Carbon containing air source is pyrolyzed at relatively low temperature to prepare carbon nanotube.
In current carbon nanotube preparation process, in addition to some direct current arc methods are without catalyst, other methods are required to
There are the participation of catalyst, catalyst mostly to select the transition-metals and their oxides such as iron, cobalt, nickel, manganese.With the life of carbon nanotube
Long, metal active constituent can be coated by carbon-coating and lead to catalyst inactivation, inevitable in the carbon nanotube crude product because obtained from
Ground remains metallic catalyst.In addition, in large-scale preparation process, while generating carbon nanotube inevitable that
The carbon impurities such as the carbon nano-particle of agraphitic carbon, graphite particulate and other forms generate, this largely constrains carbon and receives
Application and property research of the mitron in numerous areas.Therefore, in order to obtain high-purity carbon nanotube, it is necessary to carbon nanotube crude product into
Row purifying.
The method that 105731417 A of Chinese invention patent specification CN disclose such a purifying carbon nano-tube, the side
It is that the oxide of catalyst containing magnetic metal of fluidized state is provided under 1500-3000 DEG C of inert gas atmosphere that method, which includes to temperature,
Carbon nanotube crude product；Magnetic metal catalyst oxide in the carbon nanotube crude product is reduced into magnetic metal by carbon
Grain；The magnetic metal particle is adsorbed under magnetic fields.It is described the invention also discloses the device for purifying carbon nano-tube
Device includes material inlet, inert gas air inlet, high temperature concentration equipment, offgas outlet and material collecting device, the high temperature magnetic separation
Device includes hot room and forms the magnet in magnetic field in hot room, and the material collecting device includes material outlet and rewinding tank, institute
Material inlet is stated, inert gas air inlet and material outlet are connected to hot room.But this device is to Purification of Carbon Nanotubes
Efficiency is low, and intelligence degree is low.
204727614 U of Chinese utility model patent specification CN disclose the process units of such a carbon nanotube, and one
Kind automation prepares the device of high-purity carbon nanotube comprising reactant conveying device, chemical reaction equipment, collection device, electricity
Raw material, catalyst and reducing gas are transported to chemistry by furnace temperature control system and vacuum pump apparatus, reactant conveying device
In reaction unit, carbon nanotube is generated in chemical reaction equipment, carbon nanotube is pushed in collection device；Chemical reaction dress
Pre-reactor and main reactor including being cascaded are set, pre-reactor and main reactor are controlled by Furnace Temperature Controlling System
Its reaction temperature, the pre-reaction in pre-reactor of raw material, catalyst and reducing gas generates carbon nanotube, then by carbon nanometer
Pipe is blown into main reactor that the reaction was continued；The tail gas of pre-reactor, which is passed through in the main reactor, to be continued to convert, while to master
Inside reactor is passed through catalyst and raw material.But this device is low to Purification of Carbon Nanotubes efficiency, intelligence degree is low.
Invention content
The technical problem to be solved in the present invention is to provide a kind of intelligent Carbon nanotube purification system, the intelligence carbon nanometers
Pipe purification system improves the purity of carbon nanotube, and intelligence degree is high.
In order to solve the above-mentioned technical problem, intelligent Carbon nanotube purification system of the invention includes hydrochloric acid solution bucket, mistake
Kettle is filtered, feed pipe is equipped with above hydrochloric acid solution bucket, is equipped with agitating device in hydrochloric acid solution bucket, hydrochloric acid solution bucket lower end passes through first
Connecting tube is connect with filtering kettle, and the first connecting tube is equipped with tapping valve, and filtering kettle outer wall is equipped with water inlet pipe, controller, water inlet pipe
It is equipped with inlet valve, filtering kettle inner wall is equipped with chlorine ion concentration sensor, ultrasonic washer, and filtering kettle lower end connection second connects
It takes over, the second connecting tube lower end is connect with drainpipe, circulation pipe respectively by three-way connection, the circulation pipe other end and hydrochloric acid solution
Bucket connection, drainpipe are equipped with drain valve, and circulation pipe is equipped with circulating pump, the chlorine ion concentration sensor, inlet valve, draining
Valve is connect with controller respectively, and the agitating device includes several row's stirring blades of motor, agitating shaft and stirring axis connection,
Elastic connection is arranged on hydrochloric acid solution bucket upper end, the stirring blade of bottom row in motor, and several assist agitating plates.
The hydrochloric acid solution bucket inner wall is coated with release coating.
The release coating uses teflon material.
The filtering kettle lower end is concave.
The motor is shock-absorbing motor.
The auxiliary agitating plate is connect by spring with stirring blade.
Using this intelligent Carbon nanotube purification system, has the following advantages：
1, carbon nanotube can be removed metal ion, improve carbon by being reacted with hydrochloric acid solution in hydrochloric acid solution bucket
The purity of nanotube；
2, due to being equipped with agitating device in hydrochloric acid solution bucket, agitating device includes motor, agitating shaft and stirring axis connection
Several row's stirring blades, several auxiliary agitating plates of elastic connection on the stirring blade of bottom row, this agitating device stirring
Effect is preferable, keeps reaction more abundant；
3, it is connect with filtering kettle with by the first connecting tube due to hydrochloric acid solution bucket, filtering kettle inner wall is equipped with chlorine ion concentration
Sensor, ultrasonic washer, the second connecting tube lower end are connect with drainpipe, circulation pipe respectively by three-way connection, chlorion
Concentration sensor, inlet valve, drain valve are connect with controller respectively, in this way can be to the carbon nanotube with acid solution in filtering kettle
It carries out intelligentized be repeated as many times to wash, until obtaining the higher carbon nanotube of purity.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the structural schematic diagram of the present invention.
Wherein have：1. hydrochloric acid solution bucket；2. feed pipe；3. motor；4. agitating shaft；5. stirring blade；6. auxiliary
Agitating plate；7. the first connecting tube；8. tapping valve；9. filtering kettle；10. water inlet pipe；11. inlet valve；12. chlorine ion concentration
Sensor；13. ultrasonic washer；14. controller；15. the second connecting tube；16. three-way connection；17. drainpipe；18.
Drain valve；19. circulation pipe；20. circulating pump.
Specific implementation mode
Intelligent Carbon nanotube purification system shown in Fig. 1 includes hydrochloric acid solution bucket, filtering kettle, is equipped with above hydrochloric acid solution bucket
Feed pipe, hydrochloric acid solution bucket is interior to be equipped with agitating device, and hydrochloric acid solution bucket lower end is connect by the first connecting tube with filtering kettle, and first
Connecting tube is equipped with tapping valve, and filtering kettle outer wall is equipped with water inlet pipe, controller, and water inlet pipe is equipped with inlet valve, filters kettle inner wall
Equipped with chlorine ion concentration sensor, ultrasonic washer, filtering kettle lower end connects the second connecting tube, and the second connecting tube lower end passes through
Three-way connection is connect with drainpipe, circulation pipe respectively, and the circulation pipe other end is connect with hydrochloric acid solution bucket, and drainpipe is equipped with draining
Valve, circulation pipe are equipped with circulating pump, and the chlorine ion concentration sensor, inlet valve, drain valve are connect with controller respectively, described
Agitating device includes motor, agitating shaft, several row's stirring blades with stirring axis connection, and motor is arranged on hydrochloric acid solution bucket
It holds, several auxiliary agitating plates of elastic connection on the stirring blade of bottom row.
The hydrochloric acid solution bucket inner wall is coated with release coating.
The release coating uses teflon material.
The filtering kettle lower end is concave.
The motor is shock-absorbing motor.
The auxiliary agitating plate is connect by spring with stirring blade.
The carbon nanotube obtained by carbon nanotube preparing apparatus, which is entered by feed pipe in hydrochloric acid solution bucket, is reacted,
Agitating device stirring further promotes reaction, after carbon nanotube is reacted in hydrochloric acid solution bucket, opens tapping valve, hydrochloric acid solution
And carbon nanotube is discharged in filtering kettle, hydrochloric acid solution and carbon nanotube are stayed in through filtering kettle filtering outflow filtering kettle, carbon nanotube
In filtering kettle, hydrochloric acid solution is discharged to by circulating pump and circulation pipe that hydrochloric acid solution bucket is secondary to be continuing with again, hydrochloric acid solution
Circulating pump is closed after drained.There are remaining acid solutions in carbon nanotube at this time, and due to containing chlorion in acid solution, chlorine ion concentration passes
Sensor detects the chlorion in remaining acid solution in carbon nanotube, and signal is transmitted to controller, controller control open inlet valve,
Drain valve, water inlet pipe injection deionized water into filtering kettle clean carbon nanotube, and ultrasonic washer can promote carbon nanometer
The separation of pipe and chlorion, after being repeated several times and cleaning, when chlorine ion concentration sensor detects chlorine residual in carbon nanotube
When ion concentration is less than chlorine ion concentration sensor setting value, signal is transmitted to controller, controller by chlorine ion concentration sensor
Inlet valve, drain valve are closed in control, and carbon nanotube taking-up after purification, which is finally put into drying and crushing device dry, crushing, is in
Powder.
It is the prior art not have the technical characteristic being described in detail in the application.The application is only illustrated in above-described embodiment
Principles and effects, not for limitation the application.Any person skilled in the art all can be in the essence without prejudice to the application
God and under the scope of, carry out modifications and changes to above-described embodiment.Therefore, those of ordinary skill in the art is not taking off
It, should be by the right of the application from all equivalent modifications or change completed under spirit and technological thought disclosed herein
It is required that being covered.
Claims (4)
1. a kind of intelligence Carbon nanotube purification system, it is characterised in that：Including hydrochloric acid solution bucket, filtering kettle, hydrochloric acid solution bucket
Top is equipped with feed pipe, and agitating device is equipped in hydrochloric acid solution bucket, and hydrochloric acid solution bucket lower end passes through the first connecting tube and filtering kettle
Connection, the first connecting tube are equipped with tapping valve, and filtering kettle outer wall is equipped with water inlet pipe, controller, and water inlet pipe is equipped with inlet valve, mistake
It filters kettle inner wall and is equipped with chlorine ion concentration sensor, ultrasonic washer, filtering kettle lower end connects the second connecting tube, the second connecting tube
Lower end is connect with drainpipe, circulation pipe respectively by three-way connection, and the circulation pipe other end is connect with hydrochloric acid solution bucket, on drainpipe
Equipped with drain valve, circulation pipe is equipped with circulating pump, the chlorine ion concentration sensor, inlet valve, drain valve respectively with controller
Connection, the agitating device include motor, agitating shaft, several row's stirring blades with stirring axis connection, and motor is arranged in hydrochloric acid
Solution tank upper end, several auxiliary agitating plates of elastic connection, the hydrochloric acid solution bucket inner wall apply on the stirring blade of bottom row
There are release coating, the filtering kettle lower end concave.
2. intelligence Carbon nanotube purification system described in accordance with the claim 1, it is characterised in that：The release coating is using special
Fluorine dragon material.
3. intelligence Carbon nanotube purification system described in accordance with the claim 1, it is characterised in that：The motor is damping electricity
Machine.
4. intelligence Carbon nanotube purification system described in accordance with the claim 1, it is characterised in that：The auxiliary agitating plate passes through
Spring is connect with stirring blade.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610774649.8A CN106185873B (en) | 2016-08-31 | 2016-08-31 | Intelligent carbon nanotube purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610774649.8A CN106185873B (en) | 2016-08-31 | 2016-08-31 | Intelligent carbon nanotube purification system |
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| CN106185873A CN106185873A (en) | 2016-12-07 |
| CN106185873B true CN106185873B (en) | 2018-09-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1277146A (en) * | 1999-06-15 | 2000-12-20 | 李铁真 | Method for purifying carbon nanometre tube in large scale |
| JP2002177702A (en) * | 2000-12-08 | 2002-06-25 | Sony Corp | Ultrasonic reflux system for single step refining of carbon nano structure |
| KR101147259B1 (en) * | 2008-09-30 | 2012-05-21 | 한화케미칼 주식회사 | Continuous method and apparatus of purifying Carbon Nanotube |
| WO2010079981A2 (en) * | 2009-01-09 | 2010-07-15 | 세종대학교산학협력단 | Method for purification and distribution of carbon nano tubes |
| CN101591795B (en) * | 2009-06-18 | 2011-06-29 | 广东韶配动力机械有限公司 | Pickling unit for carbon nanotubes in composite coating and using method thereof |
| CN101780951B (en) * | 2010-03-09 | 2011-10-19 | 北京大学 | Purification method for obtaining high-purity carbon nano tube |
| CN104428244A (en) * | 2012-04-27 | 2015-03-18 | 昭和电工株式会社 | Method for purifying multilayered carbon nanotubes |
| CN102897747B (en) * | 2012-10-24 | 2015-03-11 | 无锡东恒新能源科技有限公司 | Carbon nanotube purification system |
| CN103407984A (en) * | 2013-07-16 | 2013-11-27 | 清华大学 | Carbon nano-tube purification method based on weak oxidizing atmosphere oxidation assisted acid treatment |
| US20150225243A1 (en) * | 2014-02-07 | 2015-08-13 | Samsung Sdi Co., Ltd. | Process for purification of carbon nanotubes |
| US9365427B2 (en) * | 2014-03-07 | 2016-06-14 | Industry-Academia Cooperation Group Of Sejong Univ | Method for purifying carbon nanotubes |
| CN105731417A (en) * | 2014-12-11 | 2016-07-06 | 山东大展纳米材料有限公司 | Apparatus and method for purifying carbon nanotubes |
| CN206033245U (en) * | 2016-08-31 | 2017-03-22 | 无锡东恒新能源科技有限公司 | Preparation high -purity carbon nanotube's device |
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